DE69410205T2 - Stützeinrichtung mit gleichmässig afgedichtetem Befestigungselement und Datenspeichereinheit mit einer solchen Stützeinrichtung - Google Patents

Stützeinrichtung mit gleichmässig afgedichtetem Befestigungselement und Datenspeichereinheit mit einer solchen Stützeinrichtung

Info

Publication number
DE69410205T2
DE69410205T2 DE69410205T DE69410205T DE69410205T2 DE 69410205 T2 DE69410205 T2 DE 69410205T2 DE 69410205 T DE69410205 T DE 69410205T DE 69410205 T DE69410205 T DE 69410205T DE 69410205 T2 DE69410205 T2 DE 69410205T2
Authority
DE
Germany
Prior art keywords
support device
sealing element
housing
locking piece
bearing part
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
DE69410205T
Other languages
German (de)
English (en)
Other versions
DE69410205D1 (de
Inventor
Johannes Cornelius Anto Muller
Robert Cornelis Henr Boereboom
Jelm Franse
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Koninklijke Philips NV
Original Assignee
Philips Electronics NV
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Philips Electronics NV filed Critical Philips Electronics NV
Publication of DE69410205D1 publication Critical patent/DE69410205D1/de
Application granted granted Critical
Publication of DE69410205T2 publication Critical patent/DE69410205T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/62—Record carriers characterised by the selection of the material
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/02—Parts of sliding-contact bearings
    • F16C33/04—Brasses; Bushes; Linings
    • F16C33/06—Sliding surface mainly made of metal
    • F16C33/10—Construction relative to lubrication
    • F16C33/1025—Construction relative to lubrication with liquid, e.g. oil, as lubricant
    • F16C33/106—Details of distribution or circulation inside the bearings, e.g. details of the bearing surfaces to affect flow or pressure of the liquid
    • F16C33/107—Grooves for generating pressure
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C17/00—Sliding-contact bearings for exclusively rotary movement
    • F16C17/10—Sliding-contact bearings for exclusively rotary movement for both radial and axial load
    • F16C17/102—Sliding-contact bearings for exclusively rotary movement for both radial and axial load with grooves in the bearing surface to generate hydrodynamic pressure
    • F16C17/107—Sliding-contact bearings for exclusively rotary movement for both radial and axial load with grooves in the bearing surface to generate hydrodynamic pressure with at least one surface for radial load and at least one surface for axial load
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C27/00—Elastic or yielding bearings or bearing supports, for exclusively rotary movement
    • F16C27/08—Elastic or yielding bearings or bearing supports, for exclusively rotary movement primarily for axial load, e.g. for vertically-arranged shafts
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C43/00—Assembling bearings
    • F16C43/02—Assembling sliding-contact bearings
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B19/00—Driving, starting, stopping record carriers not specifically of filamentary or web form, or of supports therefor; Control thereof; Control of operating function ; Driving both disc and head
    • G11B19/20—Driving; Starting; Stopping; Control thereof
    • G11B19/2009—Turntables, hubs and motors for disk drives; Mounting of motors in the drive
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K5/00—Casings; Enclosures; Supports
    • H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
    • H02K5/16—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields
    • H02K5/173—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields using bearings with rolling contact, e.g. ball bearings
    • H02K5/1737—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields using bearings with rolling contact, e.g. ball bearings radially supporting the rotor around a fixed spindle; radially supporting the rotor directly
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C2370/00—Apparatus relating to physics, e.g. instruments
    • F16C2370/12—Hard disk drives or the like

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Sliding-Contact Bearings (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
  • Encapsulation Of And Coatings For Semiconductor Or Solid State Devices (AREA)
  • Rotational Drive Of Disk (AREA)
  • Sealing Devices (AREA)
  • Mounting Of Bearings Or Others (AREA)
  • Motor Or Generator Frames (AREA)
  • Sealing Of Bearings (AREA)
DE69410205T 1993-09-02 1994-09-01 Stützeinrichtung mit gleichmässig afgedichtetem Befestigungselement und Datenspeichereinheit mit einer solchen Stützeinrichtung Expired - Fee Related DE69410205T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BE9300897A BE1007463A3 (nl) 1993-09-02 1993-09-02 Ondersteuningsinrichting met een uniform afdichtende sluitstukbevestiging, alsmede data-opslageenheid voorzien van een dergelijke ondersteuningsinrichting.

Publications (2)

Publication Number Publication Date
DE69410205D1 DE69410205D1 (de) 1998-06-18
DE69410205T2 true DE69410205T2 (de) 1998-11-19

Family

ID=3887298

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69410205T Expired - Fee Related DE69410205T2 (de) 1993-09-02 1994-09-01 Stützeinrichtung mit gleichmässig afgedichtetem Befestigungselement und Datenspeichereinheit mit einer solchen Stützeinrichtung

Country Status (8)

Country Link
US (1) US5490021A (ko)
EP (1) EP0646733B1 (ko)
JP (1) JPH07151155A (ko)
KR (1) KR100332848B1 (ko)
AT (1) ATE166142T1 (ko)
BE (1) BE1007463A3 (ko)
DE (1) DE69410205T2 (ko)
MY (1) MY115427A (ko)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07182770A (ja) * 1993-12-21 1995-07-21 Toshiba Corp 磁気ディスク装置およびその組み立て方法
WO1996031708A1 (en) * 1995-04-06 1996-10-10 Philips Electronics N.V. Method of manufacturing a dynamic groove bearing by means of a metal-removing tool, and data storage unit provided with such a dynamic groove bearing
US5957589A (en) * 1997-12-10 1999-09-28 International Business Machine Corporation Fluid bearing seal and support structure
JP2003169439A (ja) * 2001-12-03 2003-06-13 Hitachi Ltd スピンドルモータとその製造方法
US7016146B2 (en) * 2002-03-12 2006-03-21 Minebea Co., Ltd. Low power spindle motor with a fluid dynamic spool bearing
US6814492B2 (en) * 2003-01-30 2004-11-09 Minebea Co., Ltd. Fluid trap for oil migration prevention
JP2005027431A (ja) * 2003-07-02 2005-01-27 Nippon Densan Corp モータ
US7708283B2 (en) * 2006-05-17 2010-05-04 A.W. Chesterton Company Mechanical seal assembly
JP5636668B2 (ja) * 2009-11-30 2014-12-10 株式会社ニコン レンズ系及び光学装置
JP2014185772A (ja) * 2013-03-25 2014-10-02 Samsung Electro-Mechanics Co Ltd スピンドルモータ及びそれを備える記録ディスク駆動装置
US9036299B2 (en) * 2013-07-24 2015-05-19 HGST Netherlands B.V. Magnetic write head having a recessed high moment portion of the wrap-around shield
JP2017028895A (ja) * 2015-07-24 2017-02-02 日本電産株式会社 スピンドルモータおよびディスク駆動装置
CN115702300A (zh) 2020-06-05 2023-02-14 彻斯特顿公司 分体式机械密封件中的外部促动的次级密封件

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3099502A (en) * 1959-06-11 1963-07-30 Seitz & Co Shock-absorbing pivot bearing
SE336935B (ko) * 1966-06-21 1971-07-19 Skf Svenska Kullagerfab Ab
NL6704587A (ko) * 1967-03-31 1968-10-01
BE795275A (fr) * 1972-02-11 1973-08-09 Atomic Energy Authority Uk Perfectionnements aux paliers a air
FR2187047A5 (ko) * 1972-06-02 1974-01-11 Cav Ltd
US4596475A (en) * 1977-09-20 1986-06-24 Pannwitz Hans U Thrust bearing
GB2151718B (en) * 1983-12-21 1987-03-25 Skf Svenska Kullagerfab Ab Bearing and seal assembly
FR2566071B1 (fr) * 1984-06-15 1989-03-10 Glaenzer Spicer Sa Dispositif d'etancheite pour joint de cardan
JP2602648B2 (ja) * 1987-01-14 1997-04-23 キヤノン株式会社 回転駆動装置
US4896239A (en) * 1987-03-30 1990-01-23 Seagate Technology, Inc. Bi-compliant rotor stepper motor for an actuator in a disc drive
DE8705293U1 (de) * 1987-04-09 1987-07-09 SKF Gleitlager GmbH, 6625 Püttlingen Vorrichtung zur Abdichtung von Lagern, insbesondere von Gelenklagern
US4768888A (en) * 1987-04-29 1988-09-06 Mcneil (Ohio) Corporation Unitary bearing member and motor incorporating the same
JP2506836B2 (ja) * 1987-11-02 1996-06-12 松下電器産業株式会社 動圧型流体軸受装置
JPH01200320A (ja) * 1988-02-05 1989-08-11 Hitachi Ltd 回転鏡光偏向器
US5213343A (en) * 1988-07-11 1993-05-25 White Hydraulics, Inc. Shaft seal with support member and backing ring
JP2669549B2 (ja) * 1988-12-14 1997-10-29 株式会社日立製作所 磁気デイスク装置
DE69003619T2 (de) * 1989-07-24 1994-04-28 Ebara Corp Spindelmotor.
EP0412509A3 (en) * 1989-08-11 1992-02-26 Ebara Corporation Bearing structure
US5227686A (en) * 1991-04-12 1993-07-13 Nagano Nidec Corporation Spindle motor

Also Published As

Publication number Publication date
KR100332848B1 (ko) 2002-09-17
DE69410205D1 (de) 1998-06-18
BE1007463A3 (nl) 1995-07-04
EP0646733B1 (en) 1998-05-13
ATE166142T1 (de) 1998-05-15
MY115427A (en) 2003-06-30
EP0646733A1 (en) 1995-04-05
JPH07151155A (ja) 1995-06-13
KR950009557A (ko) 1995-04-24
US5490021A (en) 1996-02-06

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: KONINKLIJKE PHILIPS ELECTRONICS N.V., EINDHOVEN, N

8339 Ceased/non-payment of the annual fee